diff --git a/Dockerfile.dapper b/Dockerfile.dapper
index e06ab0b9..e8fbbe30 100644
--- a/Dockerfile.dapper
+++ b/Dockerfile.dapper
@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine3.17
+FROM golang:1.20-alpine3.18
 
 ARG DAPPER_HOST_ARCH
 ENV ARCH $DAPPER_HOST_ARCH
diff --git a/go.mod b/go.mod
index 4af8c3d9..5cdc9b23 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/k3s-io/helm-controller
 
-go 1.19
+go 1.20
 
 require (
 	github.com/onsi/ginkgo/v2 v2.9.4